A.bleeding refrigerant from the condenser B.opening a drain petcock on the oil separator C.condensing the water in the heat exchanger D.using a dehydrator cartridge
A.more efficiently uses available engine power B.operates at a lower efficiency at a fixed speed C.produces the same torque at lower engine power D.develops its rated power at a lower speed
A.a defective or broken high pressure un-loader B.a loose valve plate C.excessive overload D.no compression
A.balance B.not balance C.be more than D.be less than
A.maintain radial alignment between the pump impeller and casing B.absorb all impeller shaft end thrust C.prevent water leakage to the atmosphere D.prevent wear of the pump casing and/or impeller
A.(1)only B.(1)and (2) C.(1),(2)and(3) D.(2)and(3)
A.a level controller B.a temperature switch C.a pressure switch D.a floating ball
A.face shield B.a respirator C.rubber gloves D.an all purpose gas mask
A.compressor B.cooling coils C.condenser D.receiver
A.reciprocating pump B.positive displacement pump C.centrifugal pump D.centripetal pump
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